The world's 100 largest yachts for 2007. Information for the one hundred biggest megayachts in 2007. Al Diriyah is one of the largest yachts in the world. The Power & Motoryacht 100 is a list of the world's 100 largest yachts.

By Diane M. Byrne

#33: AL DIRIYAH—257'9"

Here's a yacht with a line of interesting owners. She was built for Daniel K. Ludwig, an American shipping billionaire. Subsequent owners include Charles Revson of Revlon fame and the owner of Lady Moura (no. 11). Her current owner, Saudi-born Sheikh Ahmed Zaki Yamani, runs a London-based think tank called the Center for Global Energy Studies.

Y: 1960; B: National Bulk Carriers, Japan; N: builder; H: steel; E: 2/1,800-hp Fairbanks Morses

World’s 100 Largest Yachts 2007